余泱漪 (Yú Yāngyī) – 侯逸凡 (Hóu Yìfán)
2nd 海南 (Hǎinán) 儋州 (Dānzhōu) Grandmaster Chess Tournament; 儋州 (Dānzhōu), May 17, 2011
Nimzo-Indian Defence E34
1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 c5
7. dxc5 h6 8. Bh4 g5 9. Bg3 Ne4 10. e3 Qa5 11. Ne2 (11. Be5 0.0 12. Bd3 Nc6 13. Bxe4
Nxe5 14. Bxd5 Bg4 15. Nf3 Bxf3 16. Bxf3 Nxf3+ 17. gxf3 Rac8 18. 0-0 ½ : ½ Kasparov – Short, London 1993, PCA World Championship Chess Championship match game 5) 12. ... Bf5 12. Be5
0-0 13. Nd4 Nxc3 (13. ... Bg6? 14. Nb3 Nxc3 15. Bxc3! Bxc2 16. Nxa5 Bxc3+ 17. bxc3± b6 18. Kd2 bxa5 19. Kxc2 Rc8 20. h4 Nd7 21. hxg5 Nxc5 22. gxh6 Ne4 23. c4 Nxf2 24. Rh4 f5 25. Rd4 dxc4 26. Bxc4+ Kh7 27. Rf1 Ng4 28. Kd2 Rab8
29. Rxf5 Rb2+ 30. Kd3 Rxg2 31. Be6 Rc7 32. Rxa5 Nf2+ 33. Ke2 Rh2 34. Kf3 Nh1 35. Rd7+ Rxd7 36. Bxd7 Kxh6 37. Rxa7 Kg5 38. Ra5+ Kf6 39. Bc6 Rc2 40. Rf5+ Ke7 41. Bd5 Kd6 42. Rh5 Rd2 43. Rxh1 Rxd5 44. a4 Ra5 45. Ra1 Ke5 46. e4 Ke6 47. Ke3 Kd6 48. Kd4 Kd7 49. Kc4 Kc6 50. Kb4 Re5 51. Rc1+ Kb6 52. Rc4 1 : 0 Kasparov – Short, London 1993, PCA World Championship Chess match game 9) 14. Nxf5. The alternative 14. Qxf5 is very complex: 14. ... Ne4+ 15. Ke2!? Bxc5 16. Nb3 Qa6+ 17. Kd1 Qa4? (⌓ 17. ... Qe6! 18. Qxe6 Nxf2+ 19. Ke1 fxe6 20. Nxc5 Nxh1 21. Nxe6 Rf2 22. Nc7 Nd7 23. Bg3 Rxf1+ 24. Kxf1 Nxg3+ 25. hxg3 Rf8+ 26. Ke2 Rc8⩱) 18. f3 Nc6 (18. ... Nf2+? 19. Kd1 Nxh1 20. Bd3+−) 19. fxe4 Rfe8 20. Bc3 Bxe3 21. exd5 Nd4 22. Qf6 Re4 23. Bd3 Rf4 24. Qxh6 Rh4 25. Qf6 Rc8 26. Rf1 Qd7 27. Nxd4 Rxd4 28. Bxd4 1 : 0 Lautier – Cuchelov, 26th French Team Chess Championship, Mulhouse 2005. 14. ... Ne4+ 15. Kd1 Nc6 16. Bd6. 16. Bd4 Nxd4 17. Nxd4 Rac8 18. c6 Bc5 19. cxb7 Rc7 20. Nb3 Qb6 21. Rc1
Bd6 22. Qe2 Qxb7 23. f3 Nf6 24. Qb5 Rxc1+ 25. Kxc1 Qe7 26. Qd3
Re8 27. Nd4 Qxe3+ 28. Qxe3 Rxe3 29. Bb5 Bf8 30. Kd2 Re7
31. Rc1 Ne8 32. Rc8 Nd6 33. Rb8 Kg7 34. b3 Rc7 35. Bc6 Be7
36. Bxd5 Rc5 37. Be4 Bf6 38. Ne2 Be5 39. Ra8 Ra5 40. a4 Bxh2
41. Bd3 Be5 42. Ke3 h5 43. Bb1 h4 44. f4 Bf6 45. fxg5 Rxg5
46. Kf2 a5 47. Rb8 Rd5 48. b4 Nc4 49. bxa5 Rxa5 50. Rb4 Nb2
51. Bc2 Rc5 52. Be4 Nd1+ 53. Kf3 Nc3 54. Nxc3 Rxc3+ 55. Kf2
Ra3 56. Rc4 Ra2+ 57. Kf3 Ra3+ 58. Kf2 ½ : ½ 沈陽 (Shěn Yáng) – 侯逸凡 (Hóu Yìfán), FIDE Women’s Grand Prix 2009–11, 1st stage, Istanbul 2009. 16. ... Bxc5. 16. ... Be1 is far less good for Black, although in the only instance known all eventually ended badly for White: 17. Nxh6+ Kh7
18. Bd3 Kxh6 19. Bxe4 dxe4 20. Rxe1 Rfd8 21. Qxe4?? (21. Re2+− Δ Re2-d2) 21. ... Qxc5−+ Richardson – S. K. Lalić, ̴“Agency” International Tournament, London 1997. 17. Bxc5 Nxc5 18. h4!? A novelty or, more precisely, a novel nuance. Theory gave 18. Nxh6+ Kh8 19. h4!? g4! 20. f3 d4 21. Qf5
dxe3 22. Qf6+ ½ : ½ Bareev – Carlsen, Chess World Cup, Khanty-Mansiysk 2005, match game 1.
18. ... g4! 19. f3 d4! 20. e4 d3! 21. Qd2 Qa4+
22. Ke1 Nxe4
23. Nxh6+ (23. Qxh6?? Qb4+ 25. Kd1 Nf2+ 26. Kc1 Qe1#) 23. ... Kh7?? A ruinous blunder that loses right off. 23. ... Kh8! 24. fxe4 Qxe4+ 25. Kd1 Rad8 is perfectly fine for Black. 24. Bxd3+− Rad8 25. Nxg4 f5 26. Qh6+
Kg8 27. Qg6+ Kh8 28. Qh6+ Kg8 29. Bxe4 fxe4 30. Qg6+ Kh8
31. Qh6+ Kg8 32. Nf6+ Rxf6 33. Qxf6 exf3 34. gxf3 Re8+ 35. Kf2
Qc2+ 36. Kg3 Rf8 37. Qg5+ Kh8 38. Qh5+ Kg8 39. Rhg1 1 : 0.
侯逸凡 (Hóu Yìfán) handled the opening well enough, but just until she made a terrible mistake. Photo: Sina Sports. |
